Hitachi SJ7002 Series Instruction Manual page 270

6–22
Maintenance and Inspection
Lower screws, terminals [P] and [N]
For inverters with sheet metal housings...
1. Loosen the two screws that secure the lower front panel. Remove the panel from the
inverter.
2. Turn OFF power to the inverter and confirm that the Charge Indicator LED is OFF.
3. Remove the lower screws from terminal block terminals [P] and [N].
4. Remove the screws that secure the capacitor mounting plate.
5. Pull down the capacitor mounting plate.
6. Remove the bus bar and resistors. Then remove the capacitor unit from the capacitor
mounting plate.
Capacitor mounting plate
To install the new capacitor unit:
1. Place the capacitor unit on the mounting plate and secure the unit with screws.
2. Mount the bus bar and resistors in the original positions and secure them with screws.
3. Slide the capacitor mounting plate into the inverter housing.
4. Secure the capacitor mounting plate to the inverter housing by using the screws.
5. Install the lower screws in the terminal block terminals [P] and [N].
6. Mount the terminal block cover.
Capacitor unit